IMS Introduces GeoPool Dredge Dewatering Technology

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Source: IMS Dredges - a division of LWT, LLC

Ground-Breaking Dewatering Technology That is Affordable and Reusable

New Richmond, WI -- IMS is pleased to announce the acquisition of a patent pending state-of-the-art dewatering technology that is inexpensive, reusable, scalable, and does not require polymers. The technology was invented by an IMS Versi-Dredge customer and then successfully trialed in the United States and Europe. IMS recently sold several GeoPools to a customer in the U.S.

 


The GeoPool dewatering system can operate continuously in a two pool configuration. One pool is cleaned out while the other pool is actively filled.  A single Y-fitting with two knife gate valves controls flow to each pool.
 
Dewatering is a key obstacle facing dredge contractors around the globe. The IMS GeoPool (www.imsdewatering.com) is an innovative dewatering solution that is inexpensive, reusable, scalable, and easy to set up. The system is comprised of a series of 10 ft. (3m) wide x 6 ft. (1.8m) tall dismountable hot dip galvanized steel frames. The frames are linked together to form a circular pool-like structure that is lined with IMS’s unique GeoFabric. It is not the same material as geotextile tube fabric.
 

The GeoPool filters out thousands of gallons per minute.
 
A hydraulic dredge pumps the slurry directly into the GeoPool. The water from the slurry permeates through the filter fabric, and the solids are retained in the pool. Once a pool is full it is ready for dry down, which takes anywhere from 3-4 days depending on material. Some materials, including ultra fine clays, may take longer and might need a polymer to improve effluent clarity. Once the pool is dry the patent pending GeoPool Collapsible Cleanout Gates are dropped, and tracked earth movers can enter the pool and remove the dry and stackable solids. During dry down the dredge discharge is diverted to a second pool to allow for continuous operation.
 

The GeoPool is cleaned out with tracked excavators and the fabric is reusable. If the fabric becomes clogged then simply use a power washer to clean it.
 
In addition to the standard dewatering through the filter fabric, the patent pending GeoPool Dump Doors allow for rapid bulk dewatering of clear surface water speeding up the entire process. The GeoPool’s affordability makes rapid dewatering technology available to contractors and government entities both small and large.  
 
IMS GeoPools are reusable so they are a less expensive proposition than geotextile tubes for medium to large projects and for contractors that use geotextile tubes for many of their projects. In addition to this feature, the GeoPools can handle a much larger volume of material than geotextile tubes. It would take 10-40 geotextile tubes to equal the dewatering capacity of one GeoPool. Furthermore, 10 large non-reusable geotextile tubes cost approximately the same as a small GeoPool configuration.
 
Proven Performance 
 
GeoPools have been used on several projects in the United States and also on a polluted river in Europe.
 

An IMS Model 5012 LP Versi-Dredge fills a GeoPool with organic sludge and mud on the Golden Horn in Istanbul, Turkey.
 
'We purchased an IMS dredge and started to dredge Kocaeli Bay and Istanbul Golden Horn. Because of geographic settlement of both cities we had to use a mechanical dewatering system and bought one from a U.S. supplier, but the effluent discharge was still very dirty. The particle sizes were very fine, and the mechanical dewatering system could not separate these ultra fine particles. We then used an IMS GeoPool and the effluent came out clear. The system was very successful, much less expensive and the maintenance costs are a fraction of the mechanical system. The IMS GeoPool works very well,' said Mehmet Sen, CEO of Esman Cega.
 

An IMS Model 5012 HP Versi-Dredge fills a GeoPool with bentonite clay in North Dakota.
 
Dewatering bentonite clay was one of the first projects completed with a GeoPool in the United States. The material was very fine, but the GeoPool was able to produce an effluent discharge of approximately 200ppm total suspended solids without a drop of polymer. Results were verified at Astro-Chem Lab Inc.
 

The single GeoPool can hold up to ten times the volume of material as a 75ft. (22.8m) circumference x 100ft. (30m) long geotextile tube or over twenty five times the volume of material as a 45ft. (13.7m) circumference x 100ft. (30m) long geotextile tube. 
 
Financing
 
Making dewatering technology available to the masses at an affordable price is IMS’s goal with the GeoPool, and that is why IMS has financing available for the purchase of one or more GeoPools: 
  • United States Financing: IMS offers “Express Application” financing for its U.S. buyers for GeoPool purchases under $250,000 USD. Term is usually between 2-5 years. No financial statements are required and approval is usually within 48 hrs.  
  • International Financing:  Deferred payment terms up to 360 days from shipment date with acceptable letter of credit. IMS will arrange L/C confirmation with discounting and include L/C charges plus applicable interest to purchase price. Open Account / Supplier Credit also offered, subject to buyer’s credit approval by IMS.
“I have been in the industry for 15 years and developing a dewatering technology that is accessible to the entire market and not just to a select few has always been a priority. It is rewarding to see that day is finally here,” said Ryan Horton, IMS Vice President.
 
Dealers
 
IMS is seeking dealers around the globe to distribute the GeoPool dewatering solution. If you are interested in becoming an IMS GeoPool dealer then please e-mail IMS Vice President, Ryan Horton, at rhorton@imsdredge.com. Make sure to include your company profile and website link.

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